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Lapierre Prorace 3.9 Deore vs Lapierre Prorace 4.9 SX Eagle

Lapierre Prorace 3.9 Deore, side view

Lapierre

Prorace 3.9 Deore

Lapierre Prorace 4.9 SX Eagle, side view

Lapierre

Prorace 4.9 SX Eagle

Entry levelCross-countryHardtailAluminium2026
Entry levelCross-countryHardtailAluminium2026

Two builds of the Lapierre Prorace line: 9 differences, mostly in the components.

Lapierre Prorace 3.9 Deore, side viewLapierreLapierre Prorace 3.9 Deore
Lapierre Prorace 4.9 SX Eagle, side viewLapierreLapierre Prorace 4.9 SX Eagle

At a glance

  • Lapierre Prorace 4.9 SX Eagle is 300 g lighter than Lapierre Prorace 3.9 Deore (brand figures).
  • Lapierre Prorace 3.9 Deore has the higher-range groupset: Shimano Deore M6100 12 vitesses, against SRAM SX Eagle 12 vitesses.
Key specs3 differences
Model yearSame for all 2026 2026
Weight 12.9 kg °Value not published by the brand 12.6 kg °Value not published by the brandBest of the comparison−300 g
FrameSame for all Aluminium
As printed

Cadre : HIGH Aluminium Uni

 Aluminium
As printed

Cadre : HIGH Aluminium Uni

SuspensionSame for all Hardtail, 100 mm
As printed

VTT de cross-country semi-rigide

 Hardtail, 100 mm
As printed

VTT de cross-country semi-rigide

Fork model Rockshox Judy Silver TK Crown Adjust Boost
As printed

Fourche : Rockshox Judy Silver TK Crown Adjust Boost, 100 mm

 Rockshox Judy Gold RL Remote Boost
As printed

Fourche : Rockshox Judy Gold RL Remote Boost, 100 mm

WheelsetSame for all 29" · Rodi Tryp25 25x622 °Value not published by the brand 29" · Rodi Tryp25 25x622 °Value not published by the brand
Groupset Shimano Deore M6100 12 vitesses Higher range
As printed

Derailleur Arrière : Shimano Deore RD-M6100-SGS 12s, Shadow+

 SRAM SX Eagle 12 vitesses
As printed

Derailleur Arrière : Sram SX Eagle AL 12s

Brake modelSame for all Shimano Hydraulic Disc brake MT401 2 pistons °Value not published by the brand Shimano Hydraulic Disc brake MT401 2 pistons °Value not published by the brand
SeatpostSame for all Rigid · Lapierre Non Suspension Alloy, Ø: 27.2 mm
As printed

Tige de selle : XLC Non Suspension SP-R30, Dia. 30.9 mm, L: 400 mm

 Rigid · Lapierre Non Suspension Alloy, Ø: 27.2 mm
As printed

Tige de selle : XLC Non Suspension SP-R30,Dia. 27.2 mm,L: 400 mm

Drivetrain–Not given 1×12

Prices

Each model's retailers, delivered to your country, and their prices over time.

Lapierre Prorace 3.9 Deore

Lapierre Prorace 3.9 Deore

Lapierre Prorace 4.9 SX Eagle

Lapierre Prorace 4.9 SX Eagle

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

  • Prorace 3.9 Deore · Mountain bike made for very smooth ground, very stable, entry-level equipment.
  • Prorace 4.9 SX Eagle · Mountain bike made for very smooth ground, very stable, entry-level equipment.
Terrain
Lapierre Prorace 3.9 Deore 17%Lapierre Prorace 4.9 SX Eagle 17%3 bikes1 bike4 bikes3 bikes · Lapierre Prorace 3.9 Deore · Lapierre Prorace 4.9 SX Eagle1 bike1 bike2 bikes2 bikes2 bikes1 bike1 bike1 bike2 bikes1 bike1 bike2 bikes1 bike1 bike2 bikes5 bikes2 bikes2 bikes1 bike5 bikes2 bikes2 bikes1 bike1 bike
EasyDemanding
Handling
Lapierre Prorace 3.9 Deore 98%Lapierre Prorace 4.9 SX Eagle 98%4 bikes1 bike1 bike2 bikes2 bikes2 bikes3 bikes8 bikes1 bike1 bike2 bikes1 bike2 bikes1 bike3 bikes · Lapierre Prorace 3.9 Deore · Lapierre Prorace 4.9 SX Eagle
NimbleStable
Lapierre Prorace 3.9 DeoreLapierre Prorace 4.9 SX Eagleother cross-country mountain bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type
DisciplineSame for all Cross-country
As printed

VTT de cross-country semi-rigide

 Cross-country
As printed

VTT de cross-country semi-rigide

Frame and fork1 difference
Bottom bracket Shimano PressFit MT800 MTB 92 °Value not published by the brand SRAM PressFit DUB 92 °Value not published by the brand
Seatpost diameterSame for all 27.2 mm °Value not published by the brand 27.2 mm °Value not published by the brand
Suspension
Fork travelSame for all 100 mm 100 mm
Drivetrain5 differences
Groupset brand Shimano
As printed

Derailleur Arrière : Shimano Deore RD-M6100-SGS 12s, Shadow+

 SRAM
As printed

Derailleur Arrière : Sram SX Eagle AL 12s

ShiftingSame for all Mechanical
As printed

Levier de vitesse droit : Shimano Triggershift Deore SL-M6100-R, Rapidfire+

 Mechanical
As printed

Levier de vitesse droit : Sram Triggershift SX Eagle 12s

Chainrings–Not given 1 °Value not published by the brand
Gears at the backSame for all 12 12
Chainring teeth FC-MT512-1, 2-Piece Crankset
As printed

Pédalier : FC-MT512-1, 2-Piece Crankset

 SX Eagle CL55 DUB, DM
As printed

Pédalier : SX Eagle CL55 DUB, DM

Cassette Shimano Deore CS-M6100-12, MICRO SPLINE
As printed

Cassette : Shimano Deore CS-M6100-12, MICRO SPLINE

 Sram PG-1210 Eagle, HG
As printed

Cassette : Sram PG-1210 Eagle, HG

Rear derailleur Shimano Deore 12s Shadow + °Value not published by the brand SRAM NX Eagle, 12s °Value not published by the brand
Shifters Shimano Triggershift Deore Rapidfire SL-M6100-IR °Value not published by the brand SRAM Triggershift NX Eagle 12s °Value not published by the brand
Brakes
BrakesSame for all Hydraulic disc °Value not published by the brand
As printed

Shimano Disque hydraulique

 Hydraulic disc °Value not published by the brand
As printed

Shimano Disque hydraulique

Wheels and tyres
Wheel sizeSame for all 700c / 29"
As printed

Taile des roues 29

 700c / 29"
As printed

Taile des roues 29

RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
Rim inner widthSame for all 25 mm 25 mm
TyresSame for all XLC VT-M20 Summit 57-622
As printed

Pneus : XLC VT-M20 Summit 57-622

 XLC VT-M20 Summit 57-622
As printed

Pneus : XLC VT-M20 Summit 57-622

Tyre width fittedSame for all 57 mm 57 mm
Cockpit and seatpost
HandlebarSame for all Lapierre Flat bar Alloy 6061 Top flat, Ø: 31.8 mm °Value not published by the brand Lapierre Flat bar Alloy 6061 Top flat, Ø: 31.8 mm °Value not published by the brand
StemSame for all Lapierre 7050 Alloy, 7°, Ø: 31.8 mm °Value not published by the brand Lapierre 7050 Alloy, 7°, Ø: 31.8 mm °Value not published by the brand
Seatpost modelSame for all Lapierre Non Suspension Alloy, Ø: 27.2 mm °Value not published by the brand Lapierre Non Suspension Alloy, Ø: 27.2 mm °Value not published by the brand

° Value not published by the brand

Geometry

A size per bike (the nearest to the first one's at first), the differences measured from the reference bike.

Prorace 3.9 Deore · MProrace 4.9 SX Eagle · M
  • Prorace 3.9 Deore · M
  • Prorace 4.9 SX Eagle · M

Stack and reach

570580590600610620630640360370380390400410420↖ UprightAggressive ↘Reach (mm)Stack (mm)Prorace 3.9 Deore · M — Reach (mm) 390 · Stack (mm) 605Prorace 4.9 SX Eagle · M — Reach (mm) 390 · Stack (mm) 605
  • Prorace 3.9 Deore · M Prorace 3.9 Deore · M — Reach (mm) 390 · Stack (mm) 605
  • Prorace 4.9 SX Eagle · M Prorace 4.9 SX Eagle · M — Reach (mm) 390 · Stack (mm) 605
Geometry
SizeSame for all M M
ReachSame for all 390 mm 390 mm
StackSame for all 605 mm 605 mm
Top tube (effective)Same for all 575 mm 575 mm
Seat tubeSame for all 430 mm 430 mm
Head tubeSame for all 90 mm 90 mm
Head angleSame for all 69.5° 69.5°
Seat angleSame for all 73° 73°
ChainstaysSame for all 428 mm 428 mm
WheelbaseSame for all 1,121 mm 1,121 mm
Front centreSame for all 701 mm 701 mm
BB dropSame for all 65 mm 65 mm
BB heightSame for all 309 mm 309 mm
TrailSame for all 0 mm 0 mm

Where to buy them

Compare the whole Lapierre Prorace range

Frequently asked questions

Which is lighter, Lapierre Prorace 3.9 Deore or Lapierre Prorace 4.9 SX Eagle?

Lapierre Prorace 4.9 SX Eagle weighs 12.6 kg, Lapierre Prorace 3.9 Deore 12.9 kg, as their brands give them.

What groupset do Lapierre Prorace 3.9 Deore and Lapierre Prorace 4.9 SX Eagle come with?

Lapierre Prorace 3.9 Deore: Shimano Deore M6100 12 vitesses. Lapierre Prorace 4.9 SX Eagle: SRAM SX Eagle 12 vitesses.

How do Lapierre Prorace 3.9 Deore and Lapierre Prorace 4.9 SX Eagle compare on geometry?

In size M, Lapierre Prorace 3.9 Deore has a stack of 605 mm for a reach of 390 mm; in size M, Lapierre Prorace 4.9 SX Eagle has 605 mm for 390 mm. More stack for the reach means a more upright position.

Other comparisons

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